B VDD 800/4 F400

B VDD 800/4 F400

Roof-mounted smoke exhaust fans 3-PH, 400V, 50Hz, 400°C., 2h with PTC and isolator switch, vertical discharge

Ref.-No. 01699

Features

Roof-mounted smoke exhaust fan for the extraction of smoke gases of temperature class F400. Designed as a double-use smoke extraction fan, suitable for smoke extraction and ventilation operation at 120 ° C as the maximum continuous airflow temperature. Casing made of seawater-resistant aluminium. Base plate with inlet nozzle, motor support plate and motor enclosure made of galvanised sheet steel. External inspection switch for electrical connection as standard. Optional operation with frequency inverter permitted. Directly driven high-performance centrifugal impeller, with eight backward curved blades, single-side inlet. Powder-coated sheet steel design. Dynamically balanced, quality class 6.3 for low-vibration operation. Efficient IE3 smoke exhaust motor for high environmental temperatures in enclosed motor design. Motor out of the air flow in automatically ventilated motor encapsulation.

Technical Data

General Information
Ref.-No.:01699
Type:B VDD 800/4 F400
Flow rate free-blowing:49850 m³/h
RPM:1470 min-1
Number of poles:4
Voltage:400 V , 3 W , 50 ph
Rated current (FLC) uncontrolled:41 A
Nominal power:22000 W
Max. air flow temperature:120 °C
Temperature class:F400
IP protection category:55
Insulation class:F
PRODUCT_DETAILPAGE_wheel_diameter:800
Weight:568 kg
Wiring diagram no.:1307
Acoustic data
Case breakout 83 dB(A) in 4 m